[Elecraft] K2 #2740 13 Khz Off Frequency

Sat Aug 17 00:01:01 2002

Then the next thing to check is for solder bridges in the control lines 
that may be presenting incorrect data to the synthesizer.

Chuck

Note Jim W7RY's stunning brilliance and Chuck's apt reply (gack!)

Send reply to:  	"Jim W7RY" <[email protected]>
From:           	"Jim W7RY" <[email protected]>
To:             	<[email protected]>, 
<[email protected]>
Subject:        	Re: [Elecraft] K2 #2740 13 Khz Off 
Frequency
Date sent:      	Fri, 16 Aug 2002 20:21:18 -0700

> Checked it twice....
> 
> Everything is great....according to the manual.
> 
> Thanks
> 73
> Jim W7RY
> 
> ----- Original Message -----
> From: "Charles Bland" <[email protected]>
> To: "Jim W7RY" <[email protected]>; <[email protected]>
> Sent: Friday, August 16, 2002 8:07 PM
> Subject: Re: [Elecraft] K2 #2740 13 Khz Off Frequency
> 
> 
> > I'd go back and repeat the first alignment and test sections. Make
> > sure the osc is lined-up, etc.
> >
> > Chuck
> >
> > Note Jim W7RY's stunning brilliance and Chuck's apt reply (gack!)
> >
> > Send reply to:  "Jim W7RY" <[email protected]>
> > From:           "Jim W7RY" <[email protected]>
> > To:             <[email protected]>
> > Subject:        [Elecraft] K2 #2740 13 Khz Off Frequency
> > Date sent:      Fri, 16 Aug 2002 19:21:37 -0700
> >
> > > Well... I have # 2740 running as a 40 meter receiver... But, it receives
> > > exactly 13Khz off frequency (VFO reads high).
> > >
> > > There is another peculiar thing.... at 11.5 KHz above the injected
> > > frequency, there is a "birdie". The birdie moves much faster than the
> > > fundamental at +13 KHz above.
> > >
> > > I have verified that all of the crystals AS SUPPLIED are installed in
> the
> > > correct locations...
> > >
> > > I have also verified that the 4.00 MHz reference is within 1 or 2 Hz.
> > >
> > > All of the checks and alignments that are shown in "Alignment and Test
> Part
> > > II" starting on page 57 are correct and line up perfectly.
> > >
> > > The parts list spells out  X1 and X2 to be a 12.069 MHz. My kit
> contained
> > > crystals that are marked  12.09-S.
> > > In addition, X5 through X11 are marked 4.9136-S.
> > >
> > >
> > > The receiver works great! Very sensitive.
> > > The signal I am injecting is at a level of -105dBm. (Not overloading the
> > > receiver).
> > >
> > > Any ideas ?
> > >
> > > Thanks and 73
> > > Jim W7RY
> > >
> > >
> > >
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> >
> >
> >
> 
> 